body{
    background-image:url("/static/img/back.gif");
    padding: 0;
    margin: 0 auto;
    height: 100%;
    width: 1200px;
}
.body{

    width: 1200px;
    height: 900px;
    padding: 0;
    border: 0;
}
.left{
    text-align: center;
    line-height: normal;
    position:absolute ;
    padding: 35px;
    border: 2px;
    width: 530px;
    height: 800px;
}
.cat{
    margin-top: 250px;
    width: 300px;
    height: 150px;
}
.main{
    text-align: center;
    float: right;
    padding: 35px;
    border: 2px;
    margin: auto;
    width: 530px;
    height: 800px;
}
.form{
    background-color: #f3f9dc;
    margin-top: 200px;
    padding: 35px;
}
.text-input{
    height: 30px;
    border: 2px;
    width: 150px;
    border-radius: 7px;
}
.button-style{
    background-color: #11c4ff;
    border-radius: 7px;
    width: 150px;
    height: 30px;
}

.captcha{
    height: 35px;
    border: 2px;
    border-radius: 7px;
    width: 90px;
}
.captcha-img{
    padding-top: 0px;
    height: 27px;
    width: 50px;
}